:root {
  --bg: #0a0c0a;
  --fg: #d8ddd6;
  --dim: #7a827a;
  --accent: #d8ddd6;
  --rule: #2a2f2a;
  --mono: "IBM Plex Mono", "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1.6;
  padding: 6vh 6vw;
  max-width: 780px;
  margin: 0 auto;
}

header.site {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1rem;
  margin-bottom: 3rem;
}

.tag {
  color: var(--dim);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}

.tag:hover {
  color: var(--fg);
}

header.site nav {
  font-size: 0.85rem;
}

header.site nav a {
  color: var(--dim);
  margin-left: 1.2rem;
  text-decoration: none;
}

header.site nav a:hover {
  color: var(--fg);
  text-decoration: underline;
  text-underline-offset: 3px;
}

h1 {
  font-size: 1.6rem;
  font-weight: 500;
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
}

.prompt {
  color: var(--dim);
}

/* home */

.hero {
  margin-bottom: 3.5rem;
}

.hero h1 {
  margin-bottom: 1.2rem;
}

.lede {
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 34em;
  margin: 0 0 1.5rem;
}

.status {
  display: inline-block;
  border: 1px solid var(--rule);
  padding: 0.15rem 0.6rem;
  font-size: 0.8rem;
  color: var(--dim);
  margin: 0;
}

.block {
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
  margin: 3rem 0;
}

.block > h2 {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dim);
  margin: 0 0 1.5rem;
}

h2 .more {
  font-size: 0.8rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--dim);
  text-decoration: none;
}

h2 .more:hover {
  color: var(--fg);
}

dl.cols {
  margin: 0;
}

dl.cols dt {
  color: var(--fg);
  letter-spacing: 0.05em;
  margin-top: 1.4rem;
}

dl.cols dt::before {
  content: "— ";
  color: var(--dim);
}

dl.cols dt:first-child {
  margin-top: 0;
}

dl.cols dd {
  margin: 0.3rem 0 0 1.4rem;
  color: var(--dim);
  font-size: 0.95rem;
  max-width: 36em;
}

.member {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

img.portrait {
  width: 130px;
  height: 130px;
  object-fit: cover;
  border: 1px solid var(--rule);
  filter: grayscale(1) contrast(1.05);
  flex-shrink: 0;
}

.member h3 {
  font-size: 1rem;
  font-weight: 500;
  margin: 0 0 0.8rem;
}

.member p {
  margin: 0 0 0.8rem;
  font-size: 0.95rem;
  color: var(--dim);
}

.member p:last-child {
  margin-bottom: 0;
}

.contact a {
  font-size: 1.05rem;
}

@media (max-width: 520px) {
  .member {
    flex-direction: column;
  }
}

footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  color: var(--dim);
  font-size: 0.85rem;
}

a {
  color: var(--fg);
  text-decoration: underline;
  text-decoration-color: var(--rule);
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-color: var(--fg);
}

/* notebook index */

.entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.entry-list li {
  border-bottom: 1px solid var(--rule);
  padding: 1.2rem 0;
}

.entry-list li:first-child {
  padding-top: 0;
}

.entry-date {
  display: block;
  color: var(--dim);
  font-size: 0.8rem;
  margin-bottom: 0.3rem;
}

.entry-list a {
  font-size: 1.05rem;
  text-decoration: none;
}

.entry-list a:hover {
  text-decoration: underline;
  text-decoration-color: var(--rule);
}

.entry-desc {
  color: var(--dim);
  font-size: 0.9rem;
  margin: 0.4rem 0 0;
}

/* article page */

article > header {
  margin-bottom: 2.5rem;
}

article > header h1 {
  margin-bottom: 0.4rem;
}

article header .entry-date {
  margin-bottom: 0;
}

article h2 {
  font-size: 1.15rem;
  font-weight: 500;
  margin-top: 2.5rem;
  color: var(--fg);
}

article h3 {
  font-size: 1rem;
  font-weight: 500;
  color: var(--fg);
}

article blockquote {
  margin: 1.2rem 0;
  padding: 0.4rem 1rem;
  border-left: 2px solid var(--rule);
  color: var(--dim);
}

article pre {
  background: #101210;
  border: 1px solid var(--rule);
  padding: 0.8rem 1rem;
  overflow-x: auto;
  font-size: 0.85rem;
}

article code {
  font-family: var(--mono);
  background: #101210;
  padding: 0.1rem 0.3rem;
  font-size: 0.85rem;
}

article pre code {
  background: none;
  padding: 0;
}

article table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.2rem 0;
  font-size: 0.9rem;
}

article th,
article td {
  border: 1px solid var(--rule);
  padding: 0.4rem 0.7rem;
  text-align: left;
}

article th {
  color: var(--dim);
  font-weight: 500;
}

.byline {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  color: var(--dim);
  font-size: 0.85rem;
}